I'm pretty sure you can't, otherwise that would defeat the whole point!
As a security measure, the stack size is implicitly capped so that the
program can't take over the machine unless you explicitly allow it...

Your best bet to make the invocation simple is to write a .bat and a .sh
in your distribution, so that these wrappers can launch Java with the
appropriate arguments.

Regards,
Paul

ZACZEK, MARIUSZ P. (MARIO) (JSC-DM) (NASA) wrote:

Does anyone know how to call the -Xms and -Xmx from within code?
I usually use a command line: java -Xms200m -Xmx256m myprog
but I want to simply run: java myprog   but have the heapsize
be initialized within the program.


Mario


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